【Product Overview】 The AngelSounds JPD-100S mini is an ultrasonic fetal doppler used to listen to your baby's heartbeat. It's a convenient item for pregnant mothers to check their baby's health. 【Set Contents】 9V battery, earphones, line cable, instruction manual; everything you need is included, so you can use it right away. The main unit is a medical device, so only the accessories are for sale. Please refrain from purchasing if you are sensitive, as I have pets. I purchased it new in 2022. The box has scratches, but the contents are fine.